You take performance seriously - and the AST 2-WAY Motorsport Suspension is built for drivers like you. Designed for true track enthusiasts, it delivers race-level precision and control. This monotube coilover system is 2-way adjustable for rebound, compression, and ride height, featuring external reservoirs for maximum consistency under extreme conditions. It includes camber-adjustable front top mounts, solid rear mounts, and adjustable-rate springs. Fully rebuildable and made in the Netherlands, it’s built to last. Fine-tune your setup with independent rebound and compression adjustments to reduce body roll, sharpen responsiveness, and enhance traction - all while maintaining the perfect balance between performance and comfort.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2023 | BMW | M3 | Base |
| 2021-2023 | BMW | M3 | Competition |
| 2021-2023 | BMW | M4 | Base |
| 2021-2023 | BMW | M4 | Competition |
- 2021-bmw-m3-base-esi5055678
- 2021-bmw-m3-competition-esi8764444
- 2021-bmw-m4-base-esi5891828
- 2021-bmw-m4-competition-esi6124181
- 2022-bmw-m3-base-esi5703116
- 2022-bmw-m3-competition-esi4164056
- 2022-bmw-m4-base-esi8466592
- 2022-bmw-m4-competition-esi6889238
- 2023-bmw-m3-base-esi3748539
- 2023-bmw-m3-competition-esi6448376
- 2023-bmw-m4-base-esi6552117
- 2023-bmw-m4-competition-esi2057499
- ClearanceItem:Y
- EPA:N/A
- fits_2021-2023`BMW`M3`Base~2021-2023`BMW`M3`Competition~2021-2023`BMW`M4`Base~2021-2023`BMW`M4`Competition
- LTL:N
- MPN:RIV-B2112SD
- Non-CARB:N
- Prop65:N
- SpecialOrder:Y
- Suspension>Coilovers